EXHIBIT 99.1

This statement on Form 4 is filed jointly by each of the undersigned. The principal business address of each of these reporting persons is c/o Sageview Capital LP, 55 Railroad Avenue, First Floor, Greenwich, Connecticut 06830

Name of Designated Filer: Edward A. Gilhuly

Date of Event Requiring Statement: February 25, 2019

Issuer Name: Avalara, Inc. [AVLR]

	/s/ Edward A. Gilhuly
	EDWARD A. GILHULY

	SAGEVIEW CAPITAL, L.P.

	By:	Sageview Management, LLC, its General Partner

	By:	/s/ Edward A. Gilhuly
		Name: Edward A. Gilhuly
		Title: Director

	SAGEVIEW CAPITAL MASTER, L.P.

	By:	Sageview Capital GenPar, Ltd., its General Partner

	By:	/s/ Edward A. Gilhuly
		Name: Edward A. Gilhuly
		Title: Director

	SAGEVIEW AVALARA PARTNERS, L.P.

	By:	Sageview Capital GenPar, Ltd., its General Partner

	By:	/s/ Edward A. Gilhuly
		Name: Edward A. Gilhuly
		Title: Director

	SAGEVIEW AVALARA PARTNERS I, L.P.

	By:	Sageview Capital GenPar, Ltd., its General Partner

	By:	/s/ Edward A. Gilhuly
		Name: Edward A. Gilhuly
		Title: Director

	SAGEVIEW CAPITAL MGP, LLC

	By:	/s/ Edward A. Gilhuly
		Name: Edward A. Gilhuly
		Title: Co-President

	/s/ Scott M. Stuart
	SCOTT M. STUART

Sageview Capital Partners (A), LP 4